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Gray/Portland, ME Local Forecast Office

14NM NE Portsmouth NH

Marine Point Forecast

[NOTICE]

Today
High: 41 °F
NE 10kt
< 1ft
Tonight
Low: 41 °F
⇑SSW 10kt
< 1ft
Thursday
High: 47 °F
W 15kt
< 1ft
Thursday Night
Low: 29 °F
WNW 10kt
< 1ft
Friday
High: 42 °F
SSW 10kt
< 1ft
Friday Night
Low: 36 °F
S 10kt
< 1ft
Saturday
High: 44 °F
W 15kt
< 1ft
Saturday Night
Low: 28 °F
W 10kt
< 1ft
Sunday
High: 42 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 8:25 am EDT Mar 11, 2026
Forecast Valid: 11am EDT Mar 11, 2026-6pm EDT Mar 17, 2026

View Nearby Observations

Detailed Forecast

Today

NE wind around 10 kt, with gusts as high as 20 kt. A chance of showers, mainly after 2pm. Patchy fog after 1pm. Seas 1 ft or less.

Tonight

ESE wind 5 to 8 kt becoming SSW 7 to 10 kt after midnight. Winds could gust as high as 20 kt. Showers and thunderstorms likely before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers and thunderstorms after 4am. Areas of dense fog. Seas 1 ft or less.

Thursday

W wind 10 to 15 kt, with gusts as high as 25 kt. A chance of rain. Patchy dense fog before 9am. Seas 1 ft or less.

Thursday Night

WNW wind around 10 kt, with gusts as high as 20 kt. A chance of snow between 7pm and 8pm. Seas 1 ft or less.

Friday

W wind around 10 kt becoming SSW in the afternoon. Winds could gust as high as 20 kt. Mostly sunny. Seas 1 ft or less.

Friday Night

S wind around 10 kt, with gusts as high as 20 kt. A chance of snow between 8pm and 9pm, then a chance of rain after 9pm. Seas 1 ft or less.

Saturday

W wind around 15 kt, with gusts as high as 30 kt. Partly sunny. Seas 1 ft or less.

Saturday Night

W wind 5 to 10 kt, with gusts as high as 20 kt. Partly cloudy. Seas 1 ft or less.

Sunday

Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.